Category "matlab"

reading v 7.3 mat file in python

I am trying to read a matlab file with the following code import scipy.io mat = scipy.io.loadmat('test.mat') and it gives me the following error raise NotIm

How to run Python from MATLAB

I'm trying to run Python from MATLAB, but when I try I got the message: py.list({'Monday','Tuesday','Wednesday','Thursday','Friday'}) Unable to resolve the na

Armadillo porting imagesc to save image bitmap from matrix

I have this matlab code to display image object after do super spectrogram (stft, couple plca...) t = z2 *stft_options.hop/stft_options.sr; f = stft_options.

Performane issue for matlab-like reshape in OpenCV

I am translating a Matlab code to OpenCV. The Code Involves lots of reshaping of large Matrices. As the matlab reshape differs from OpenCV you can't just use Op

When does assignment by reference occur in MATLAB?

This is a question about the MATLAB language. I am going through the MathWorks "Onramp" tutorial, and I have noticed a strange "assignment by reference" behavio

How can I find inflection points of a data set?

My codes finds inflection points and locations of them, but some points are missing. Is there any way to find correct points on MATLAB? My data set is at the li

3D histogram with gnuplot or octave

I would like to draw a 3D histogram (with gnuplot or octave) in order to represent my data. lets say that I have a data file in the following form: 2 3 4 8

Legend on MATLAB plot where every point is scattered individually

I am trying to get a legend on a scatter plot in Matlab, the problem is the way I plot the graph involves scattering each point (of which there are >10,000)

Matlab stops interpolating colors on a mesh correctly if it is larger than 120 triangles

I'm trying to draw a large mesh in Matlab using the trimesh function, with the z coordinate of the vertices controlling the color. Unfortunately, Matlab stops i

For loop to average over individual time points Matlab

I have a 21x2 vector in Matlab that looks like this: A = [0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5; 0 0 0

Is there a Python equivalent of MATLAB's conv2 function?

Does Python or any of its modules have an equivalent of MATLAB's conv2 function? More specifically, I'm interested in something that does the same computation a

Calculate a 2D homogeneous perspective transformation matrix from 4 points in MATLAB

I've got coordinates of 4 points in 2D that form a rectangle and their coordinates after a perspective transformation has been applied. The perspective trans